As of February 2026 ATI Inc. has a market cap of โน1.519 Trillion. This makes ATI Inc. the world's 1346th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Jan 31st, 2026 the market cap of ATI Inc. was reported to be: